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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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LA361751143
LA361751143
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600
LA361751212
LA361751212
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600
LA361751352
LA361751352
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LA361751364
LA361751364
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LA361752100
LA361752100
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600
LA361752103
LA361752103
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600
LA36175CBA
LA36175CBA
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LA36175MB
LA36175MB
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LA362001027
LA362001027
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LA362001028
LA362001028
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LA362001029
LA362001029
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LA362001030
LA362001030
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LA362001037
LA362001037
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600
LA362001042
LA362001042
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600
LA362001121
LA362001121
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LA362001124
LA362001124
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LA362001127
LA362001127
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600
LA362001128
LA362001128
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200
600
LA362001143
LA362001143
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Square D
200
600
LA362001212
LA362001212
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Square D
200
600
LA362001352
LA362001352
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Square D
200
600
LA362001364
LA362001364
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Square D
200
600
LA362002100
LA362002100
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Square D
200
600
LA362002103
LA362002103
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Square D
200
600
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.